By using mechanical advantage you can get more work out of any machine than what you put into it. true false

What human activity increases beach erosion?

1) describe the physical layout of the ocean floor ? 2) explain how the dumbo octopus swims differently than other octopus species and why this would be an advantage in the aphonic zone . 3) why are the types of organisms that live at each underwater hot vent so dramatically different ?

Name atleast 3 type of energy associated with the microwave